What happened to Dr. Jonathan Crane? Some of the version of his mask were nothing more than a burlap sack. This Adult Scarecrow Arkham Knight Deluxe Latex Mask? It comes from the latest Arkham video game and is downright terrifying! Heck, he doesn't even need any fear toxin to scare the pants off of Batman while wearing this thing. And when Batman's pants have been scared off, Gotham City will be ripe for the taking! If you've got your sites set on Gotham, then this mask is right for you.